Taklong Island is the main island of the Taklong Island National Marine Reserve located in Nueva Valencia, Guimaras, off the southern end of the island of Guimaras, in the West Visayas of the Philippines. It has a marine research lab run by the University of the Philippines Visayas (UPV) of nearby Iloilo Province. The only population on the island is the one family employed as caretakers of the island. There are also UPV staff, including the security guards who rotate on and off the island.Takong Island was affected by the Guimaras Oil Spill of 2006.